class NameError
Public Instance Methods
missing_name()
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Extract the name of the missing constant from the exception message.
begin HelloWorld rescue NameError => e e.missing_name end # => "HelloWorld"
# File lib/active_support/core_ext/name_error.rb, line 10 def missing_name if /undefined local variable or method/ !~ message $1 if /((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/ =~ message end end
missing_name?(name)
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Was this exception raised because the given name was missing?
begin HelloWorld rescue NameError => e e.missing_name?("HelloWorld") end # => true
# File lib/active_support/core_ext/name_error.rb, line 24 def missing_name?(name) if name.is_a? Symbol self.name == name else missing_name == name.to_s end end